Mental exertion causes impairments in multi-finger force deficit during a hand grip strength task in older adults
These findings indicate that mental exertion/fatigue results in decreased composite GS and increasing impairments in neural activation in older adults. No effect on indices of neuromuscular performance were observed in young adults. These findings suggest that neural mechanisms are heavily involved in the regulation of composite GS, and that the relative contribution of neural and muscular mechanisms of handgrip strength are state dependent in older adults.
Authors
- Hamid Rajabi (ORCID: https://orcid.org/0000-0002-3276-1598)
- Brian C. Clark (ORCID: https://orcid.org/0000-0002-6021-6431)
- Hamidreza Barzegarpoor
- Seyyedeh Neda Kazemi (ORCID: https://orcid.org/0000-0003-4683-3262)
- Rana Fayazmilani (ORCID: https://orcid.org/0000-0002-7493-037X)
Institutions
- St. John's University (US)
- Kharazmi University (IR)
- Ohio University (US)
- Shahid Beheshti University (IR)
Publication Details
- Journal
- The Journals of Gerontology Series A
- Published
- 2025-06-27
- DOI
- https://doi.org/10.1093/gerona/glaf141
- Primary Topic
- Muscle activation and electromyography studies
- Type
- article
- Field-Weighted Citation Impact
- 0.00